#420 25T Front Sprocket for Coleman KT196 Go-Kart
ID 20mm [.78″]
OD 106mm [4.16″]
Four 8mm bolt holes 26mm [1.02″] apart center-to-center side-by-side
Bolt holes are 37mm [1.46″] center-to-center across from each other
Be sure to measure your chain or current sprocket before ordering. 420 chain has 1/2″ pitch and 5/16″ roller diameter. Most Chinese sprockets have the chain size and teeth count stamped into the metal.